A Practical Manual On Sea Water Distillation
With A Description Of The Necessary Machinery For The Process

NAUTICAL WORKS. 4» GRIFFIN’S NAUTICAL SERIES. Second Edition, Revised and Illustrated. Price 3s. 6d. NAVIGATION: PRACTICAL AKO THEORETICAL. By DAVID WILSON-BARKER, R.N.R., F.R.S.E., &c., &o., AND WILLIAM ALLINGHAM, FIK8T-CLA8S HONOURS, NAVIGATION, SCIENCE AND ART DEPARTMENT. UGUtb laumerous Jlluøtrationø anö Examination <ueøtionø. Genekal Contents.—Definitions—Latitude and Longitude—Instrument« of Navigation—Correction of Courses—Plane Sailing—Traverse Sailing—Day’s Work — Parallel Sailing—Middle Latitude Sailing — Mercator’s Chart— Mercator Sailing—Current Sailing—Position by Bearings—Great Circle Sailing —The Tides—Questions—Appendix: Compass Error—Numerous Useful Hints —Index. * Precisely the kind of work required for the New Certificates of competency in grade* from Second Mate to extra Master. . , . Candidates will find it invaluable. "—Dundee Advertiser. * A capital little book , . . specially adapted to the New Examinations. The Authors are Oapt. Wilson-Barker (Captain-Superintendent of the Nautical College. H.M.8. ‘Worcester,’ who has had great experience in the highest problems of Navigation), and Mr. Allingham, a well-known writer on the Science of Navigation and Nautical Astronomy." —Shipping World. Handsome Cloth. Fully Illustrated. Price 7s. 6d. MARINE METEOROLOGY, FOR OFFICERS OF THE MERCHANT NAVY. By WILLIAM ALLINGHAM, Joint Author of “Navigation, Theoretical and Practical.” With numerous Piares, Maps, Diagrams, and Illustrations, and a facsimile Reproduction of a Page from an actual Meteorological Log-Book. SUMMARY OF CONTENTS. Introductory.—Instruments Used at Sea for Meteorological Purposes.—Meteoro- logical Log-Books.—Atmospheric Pressure.—Air Temperatures.—Sea Temperatures.— Winds.—-Wind Force Scales.—History of the Law of Storms.—Hurricanes, Seasons, and Storm Tracks.—Solution of the Cyclone Problem.—Ocean Currents.—Icebergs.—Syn- chronous Charts.—Dew, Mists, Fogs, and Haze.—Clouds.—Rain, Snow, and Hail.— Mirage, Rainbows, Coronas, Halos, and Meteors.—Lightning, Corposants, and Auroras.— Questions.—Appendix.—Index. * Quite the bbst publication, and certainly the most interesting, on this subject ever ©resented to Nautical men.”—Shipping Gazette. * #* For Complete List of Ghtffin’s Nautical Series, see p. 39, UWDON: CHARLES GRIFFIN & CO., LIMITED. EXETER STREET, STRAND